
Roseland W.
asked 03/13/14What would be a line that is perpendicular to y=x?
I thought it y=-x+6 but don't no how to work it out
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1 Expert Answer

Steve S. answered 03/13/14
Tutor
5
(3)
Tutoring in Precalculus, Trig, and Differential Calculus
You're right! y = - x + 6 IS ⊥ to y = x.
Why? Check this out:
http://www.wyzant.com/resources/files/264519/perpendicular_lines_slope_relationship_proof
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Steve S.
03/13/14